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Finding the Fourth Proportional to 762,605.60, 1,051,958.48 and 475,627.46

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Solution

The fourth proportional to 762,605.60, 1,051,958.48 and 475,627.46 is: 656,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,605.60 : 1,051,958.48 = 475,627.46 : x
  2. Step 2: Convert to fraction form
    762,605.60/1,051,958.48 = 475,627.46/x
  3. Step 3: Cross multiply
    762,605.60x = 1,051,958.48 × 475,627.46
  4. Step 4: Simplify right side
    762,605.60x = 500,340,339,867.86
  5. Step 5: Solve for x
    x = 500,340,339,867.86/762,605.60
  6. Step 6: Final answer
    x = 656,093.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.